664112564316 has 36 divisors (see below), whose sum is σ = 1678817998312. Its totient is φ = 221359116384.

The previous prime is 664112564299. The next prime is 664112564407. The reversal of 664112564316 is 613465211466.

664112564316 is a `hidden beast` number, since 6 + 6 + 41 + 12 + 564 + 31 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213051 + ... + 1172013.

Almost surely, 2^664112564316 is an apocalyptic number.

It is an amenable number.

664112564316 is an abundant number, since it is smaller than the sum of its proper divisors (1014705433996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

664112564316 is a wasteful number, since it uses less digits than its factorization.

664112564316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978210 (or 978205 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The spelling of 664112564316 in words is "six hundred sixty-four billion, one hundred twelve million, five hundred sixty-four thousand, three hundred sixteen".